CN205659486U

CN205659486U - Duplex filter

Info

Publication number: CN205659486U
Application number: CN201620560195.XU
Authority: CN
Inventors: 谢步盛
Original assignee: Wenzhou Shengfeng Fluid Equipment Co Ltd
Current assignee: Wenzhou Shengfeng Fluid Equipment Co Ltd
Priority date: 2016-06-11
Filing date: 2016-06-11
Publication date: 2016-10-26
Anticipated expiration: 2026-06-11

Abstract

The utility model discloses a duplex filter, its technical scheme main points include first filter, second filter, the import of first filter and second filter is through first pipeline UNICOM and be equipped with the inlet of a sharing, the export of first filter and second filter is through second pipeline UNICOM and be equipped with the liquid outlet of a sharing, between the import of first filter and second filter and the inlet and all be equipped with the governing valve between first filter and filterable export of second and the liquid outlet, first pipeline is equipped with first sample connection, and first sample connection department is connected with first sample valve, the second pipeline is equipped with the second sample connection, and second sample connection department is connected with the second sample valve. The utility model discloses can provide better guarantee to the quality through filterable liquid.

Description

Duplex strainer

Technical field

This utility model relates to a kind of filter, and it relates to a kind of duplex strainer in particular.

Background technology

At present, in prior art, Authorization Notice No. is that the Chinese patent document of CN201949733U discloses a kind of duplex mistake Filter, it is characterised in that it includes grade one filter, secondary filter, leaves bolt, Butterworth Hatch, sludge outlet soon, feeds the mouth of pipe, Drain pipe mouth, monitors valve, connecting tube；Open soon bolt be located at grade one filter top dual-side, for grade one filter lid with Filter cylinder connects, and Butterworth Hatch is located at the center of top of grade one filter lid, communicates with grade one filter and be connected, sludge outlet It is located at grade one filter bottom side, communicates with grade one filter and be connected；Open bolt soon and be located at the both sides, top of secondary filter Limit, being connected with filter cylinder for secondary filter lid, Butterworth Hatch is located at the center of top of secondary filter lid and two grades of mistakes Filter identical be connected, sludge outlet be located at secondary filter bottom side, identical with secondary filter be connected；Grade one filter Being communicated with secondary filter by connecting tube and be connected, connecting tube is positioned at the top of grade one filter and secondary filter, connecting tube Be positioned at the bottom of grade one filter and secondary filter, connecting tube both sides install monitoring valve respectively with grade one filter and Secondary filter top connects, and the monitoring valve installed in connecting tube both sides connects with grade one filter and secondary filter bottom respectively Connecing, monitoring valve is connected with automation control system and KXG respectively.

Duplex strainer is widely used in field of medicaments, and existing duplex strainer is in use piled up in due to filter cake In filter element, the time is the most long, and filter cake may produce deterioration, affects the quality of filtrate after filtering, and existing duplex In use, the filter cake that staff is difficult to recognize in filter element has produced rotten filter, to filter cake and Shi Qingli creates adverse effect.

Utility model content

The deficiency existed for prior art, the purpose of this utility model is to provide one to facilitate staff to understand filter Cake deterioration, thus accomplish the duplex strainer cleared up in time.

For achieving the above object, this utility model provides following technical scheme: a kind of duplex strainer, including the first mistake Filter, the second filter, the import of the first filter and the second filter is by the first pipeline UNICOM and is provided with shared entering Liquid mouth；The outlet of the first filter and the second filter is by second pipe UNICOM and is provided with a liquid outlet shared；First mistake Between filter and the import of the second filter and inlet and between the first filter and the second outlet and liquid outlet filtered It is equipped with regulation valve；First pipeline is provided with the first sample tap, and connecting at the first sample tap has the first sampling valve；Second pipe is provided with Second sample tap, connects at the second sample tap and has the second sampling valve.

By using technique scheme, comparing existing duplex strainer, this programme is at the first pipeline and second pipe On be respectively equipped with the first sampling valve and second sampling valve, the first pipeline is positioned at side, inlet place, and second pipe is positioned at liquid outlet Side, place；Therefore, the sample that the first sample tap and the second sample tap are taken is respectively the sample before filtering and after filtering Sample, by detection and compare the character of two samples and conveniently determine whether filter cake produces deterioration, thus can be the most right First filter and the second filter are carried out, it is to avoid affect the quality of filtered liquid too much.

This utility model is further arranged to: between described first sample tap two regulation valves on the first pipeline； Described second sample tap is two exits laying respectively at the first filter and the second filter, and the most more overregulates valve.

By using technique scheme, between first sample tap, two regulation valves on the first pipeline, the most relatively For the import of the first filter and the second filter, its closer to inlet further away from the first filter and the second filter Import so that the sample that this place takes, closer to the stock solution of filtered, is not easily susceptible to the first filter and the second filter The impact of middle filter cake, the sample taken more standard；Second sample tap is two and lays respectively at the first filter and the second filter Exit, and the most more overregulate valve；Second sample tap be two can be to the liquid at the first filter and the second filter outlet Body carries out separately sampled, and the second sample tap the most more overregulates valve so that its position is filtered closer to first relative to for liquid outlet Device or the outlet of the second filter so that the sample taken is firm liquid after the first filter or the second filter filter, The most rotten the most accurate for detecting the filter cake in the first filter or the second filter.

This utility model is further arranged to: described sampling valve is pneumatic sampling valve or electronic sampling valve, and sampling valve connects There is timing means.

By using technique scheme, sampling valve uses pneumatically or electrically type, can realize by connecting timing means The time opening of sampling valve and closedown, it is achieved automatic sampling, use more convenient.

This utility model is further arranged to: described timing means connects alarm device.

By using technique scheme, alarm device is controlled by timing means, can be by reporting to the police when sampling valve and opening Device is reported to the police, and reminds staff to extract sample, uses more convenient.

This utility model is further arranged to: described regulation valve is butterfly valve.

By using technique scheme, butterfly valve has the features such as volume is little, switch is rapid, uses more convenient.

In sum, this utility model, by extracting the sample of filtered stock solution and liquid after filtering, detects The most conveniently determine whether filter cake exists deterioration, thus can remind and clear up in time for staff, preferably protect Demonstrate,prove the quality through filtered fluid.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present embodiment.

Description of reference numerals: 1, the first filter；2, the second filter；3, the first pipeline；4, inlet；5, the second pipe Road；6, liquid outlet；7, regulation valve；8, the first sampling valve；9, the second sampling valve；10, timing means；11, alarm device.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

Present embodiment discloses a kind of duplex strainer, as it is shown in figure 1, include first filter the 1, second filter 2, the The import of one filter 1 and the second filter 2 is by the first pipeline 3 UNICOM and is provided with an inlet 4 shared；First filter 1 and second filter 2 outlet by second pipe 5 UNICOM and be provided with one share liquid outlet 6；First filter 1 and second It is equipped with between import and the inlet 4 of filter 2 and between the first filter 1 and the second outlet and liquid outlet 6 filtered Regulation valve 7；The present embodiment regulates valve 7 and preferably employs butterfly valve；First pipeline 3 is provided with the first sample tap, at the first sample tap even It is connected to the first sampling valve 8；Second pipe 5 is provided with the second sample tap, and connecting at the second sample tap has the second sampling valve 9.

Wherein, as it is shown in figure 1, between first sample tap, two regulation valves 7 on the first pipeline 3；Second sample tap It is two and lays respectively at the first filter 1 and exit of the second filter 2, and the most more overregulate valve 7.

Wherein, sampling valve uses pneumatic sampling valve, and pneumatic sampling valve connects timing means 10, as time switch, Intervalometers etc., the electromagnetic valve pneumatic sampling valve timing of control being connected pneumatic sampling valve by timing means 10 is opened or closed, real Existing automatic sampling；And timing means 10 is also associated with alarm device 11, for when pneumatic sampling valve is opened, point out, Staff is facilitated to extract sample.

Comparing existing duplex strainer, this programme is respectively equipped with the first sampling valve on the first pipeline 3 and second pipe 5 8 and second sample valve 9, and the first pipeline 3 is positioned at side, inlet 4 place, and second pipe 5 is positioned at side, liquid outlet 6 place；Therefore, The sample that one sample tap and the second sample tap are taken is respectively the sample before filtering and the sample after filtering, by detection also The character of relatively two samples conveniently determines whether filter cake produces deterioration, thus can be in time to the first filter 1 and the Tow filtrator 2 is carried out, it is to avoid affect the quality of filtered liquid too much.

The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, all in this practicality Within novel design concept, any modification, equivalent substitution and improvement etc. made, should be included in protection of the present utility model Within the scope of.

Claims

1. a duplex strainer, including the first filter (1), the second filter (2), the first filter (1) and second filters The import of device (2) is by the first pipeline (3) UNICOM and is provided with an inlet (4) shared；First filter (1) and second filters The outlet of device (2) is by second pipe (5) UNICOM and is provided with a liquid outlet (6) shared；First filter (1) and second filters Between import and the inlet (4) of device (2) and equal between the first filter (1) and the second outlet and liquid outlet (6) filtered It is provided with regulation valve (7)；It is characterized in that, the first pipeline (3) is provided with the first sample tap, and connecting at the first sample tap has the first sampling Valve (8)；Second pipe (5) is provided with the second sample tap, and connecting at the second sample tap has the second sampling valve (9).

Duplex strainer the most according to claim 1, it is characterised in that: described first sample tap is positioned at the first pipeline (3) On two regulation valves (7) between；Described second sample tap is two and lays respectively at the first filter (1) and the second filter (2) exit, and the most more overregulate valve (7).

Duplex strainer the most according to claim 1 and 2, it is characterised in that: described sampling valve is pneumatic sampling valve or electricity Dynamic sampling valve, sampling valve connects timing means (10).

Duplex strainer the most according to claim 3, it is characterised in that: described timing means (10) connects alarm device (11).

Duplex strainer the most according to claim 4, it is characterised in that: described regulation valve (7) is butterfly valve.